LUBRICANT COMPOSITION, PARTICULARLY FOR RAILWAY AND SHIP ENGINES AND PROCESS FOR PRODUCING THE BASIC OIL
Lubricating oil compsn. mainly for rail and ship engines consists of (all wt.%-s): 30-80 base oil of 560-690 average mol.wt. and contg. 3.5-16.5 thiophene and 7.0-11.0 sulphide type sulphur cpd., 15-65 heavy oil (viscosity: 7.5-13.6 mm3/s, viscosity index: 80 minimum, and solidification pt.: less th...
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Main Authors | , , , , , , |
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Format | Patent |
Language | English |
Published |
28.09.1988
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Edition | 4 |
Subjects | |
Online Access | Get full text |
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Summary: | Lubricating oil compsn. mainly for rail and ship engines consists of (all wt.%-s): 30-80 base oil of 560-690 average mol.wt. and contg. 3.5-16.5 thiophene and 7.0-11.0 sulphide type sulphur cpd., 15-65 heavy oil (viscosity: 7.5-13.6 mm3/s, viscosity index: 80 minimum, and solidification pt.: less than -15 deg.C), 1-6 Ca-alkyl-salicylate and/or -phenoate, 1-6 dispersing agent and opt. 0.01-2.0 antifoam or other customary additive. Prepn. of base oil is also claimed. |
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Bibliography: | Application Number: HU19860004214 |